Method and device in UE and base station used for wireless communication

ABSTRACT

The present disclosure provides a method and a device in a UE and a base station used for wireless communications. The UE first receives a first signaling, and then transmits a first radio signal; the first signaling is used for determining K REs, and K first-type complex numbers are used for generating the first radio signal, K first-type parameters respectively correspond to the K first-type complex numbers. The K first-type parameters are related to a frequency-domain position of the K REs, each of the K first-type parameters is related to a length of cyclic prefix of an RE onto which a corresponding first-type complex number is mapped; the first radio signal carries a first bit block, the K first-type parameters and the first bit block are used for generating the K first-type complex numbers. The present disclosure improves uplink coverage performance.

CROSS REFERENCE TO RELATED APPLICATIONS

This application is a continuation of International Application No.PCT/CN2018/110190, filed on Oct. 15, 2018, claiming the priority benefitof Chinese Patent Application No. CN 201711079561.5, filed on Nov. 6,2017, the full disclosure of which is incorporated herein by reference.

BACKGROUND Technical Field

The present disclosure relates to transmission schemes in wirelesscommunication systems, and in particular to a method and a device fortransmissions supporting π/2-BPSK or π/4-QPSK modulation schemes.

Related Art

Application scenarios of future wireless communication systems arebecoming increasingly diversified, and different application scenarioshave different performance demands on systems. In order to meetdifferent performance requirements of various application scenarios, the3^(rd) Generation Partner Project (3GPP) Radio Access Network (RAN)#72th plenary session decided to conduct the study of New Radio (NR).The work Item (WI) of NR was approved at the 3GPP RAN #75th session tostandardize the 5G NR techniques.

To ensure flexible adaptability to a variety of application scenarios,the wireless communication systems in the future, especially 5G NR, willsupport different kinds of Numerology, which means different subcarrierspacings, and various symbol time lengths and cyclic prefix (CP)lengths. Besides, in order to guarantee sufficient coverage performance,and to address the issue of uplink coverage due to limits oftransmitting power in particular, it is agreed that Single CarrierFrequency Division Multiple Access (SC-FDMA) Waveform with low Peak toAverage Power Ratio (PAPR) or Cubic Matric (CM) is supported in theprocess of WI standardization of 5G NR. Also, the modulation scheme ofπ/2-BPSK is supported in terms of DFT-s-OFDM waveform so as to furtherreduce PAPR or CM, thereby improving the coverage performance of uplinktransmission and the efficiency of power amplifier.

SUMMARY

π/2-BPSK and π/4-QPSK modulation schemes are respectively implementedthrough phase rotation of symbols based on conventional BPSK and QPSKmodulation, which ensures as much as phase continuity and properties ofconstant envelope of modulated signals, so even after being subjected tofiltering, or pulse shaping, these signals will still have low PAPR andthe coverage performance still improved. The SC-FDMA system maintainssome single-carrier properties, but is essentially in the form ofmulticarrier similar to OFDM, due to the utilization of transformprecoding (generally realized by DFT, i.e., DFT-s-OFDM) or filtering inpractice. In addition, a CP is inserted before each multicarrier symbolto counteract multipath interference. Generation of DFT-s-OFDM waveformand CP insertion as such will pose impact on the phase continuity andconstant envelope properties of baseband signals under π/2-BPSK orπ/4-QPSK modulation, which leads to increasing PAPR or CM, and will thennullify the improvement in coverage performance brought about π/2-BPSKor π/4-QPSK modulation scheme.

To address the problem confronting the π/2-BPSK modulation or π/4-QPSKmodulation scheme applied to DFT-s-OFDM waveform, the present disclosureprovides a solution. It should be noted that if there is no conflict,the embodiments in a User Equipment (UE) of the present disclosure andthe characteristics in the embodiments may be applied to a base stationof the present disclosure, and vice versa. Further, the embodiments andthe characteristics in the embodiments can be mutually combined if noconflict is incurred.

The present disclosure provides a method in a UE used for wirelesscommunications, comprising:

receiving a first signaling; and

transmitting a first radio signal;

herein, the first signaling is used for determining K Resource Elements(REs), K first-type complex numbers are respectively mapped onto the KREs, the K first-type complex numbers are used for generating the firstradio signal, K first-type parameters respectively correspond to the Kfirst-type complex numbers, the K first-type parameters are respectivelycomplex numbers each of which is of modulus equal to 1, the K first-typeparameters are related to a frequency-domain position of the K REs, eachof the K first-type parameters is related to a length of a cyclic prefixof an RE onto which a corresponding first-type complex number is mapped;the first radio signal carries a first bit block, the K first-typeparameters and the first bit block are used for generating the Kfirst-type complex numbers, the K first-type parameters are unrelated tobits in the first bit block, the K REs are distributed on more than onesubcarrier in frequency domain, and the K REs are distributed on morethan one multicarrier symbol in time domain.

According to one aspect of the present disclosure, the above method ischaracterized in that the K REs are distributed on X multicarriersymbols in time domain, the X is a positive integer greater than 1, atarget multicarrier symbol is one of the X multicarrier symbols otherthan an earliest multicarrier symbol in time domain, REs occupying thetarget multicarrier symbol out of the K REs are comprised by a target REgroup, any two of first-type parameters corresponding to first-typecomplex numbers mapped onto REs comprised by the target RE group areequal.

According to one aspect of the present disclosure, the above method ischaracterized in that among the K REs there are a first RE and a secondRE, the first RE and the second RE occupy a same subcarrier in frequencydomain, and the first RE and the second RE respectively occupy twoconsecutive multicarrier symbols in time domain; a first-type parametercorresponding to a first-type complex number mapped onto the second REis equal to a product of Q and a first-type parameter corresponding to afirst-type complex number mapped onto the first RE, the Q being acomplex number of modulus equal to 1; an angle of the Q in polarcoordinates is related to a length of a cyclic prefix of the second RE,and is also related to at least one of a frequency-domain position ofthe second RE or a frequency-domain position of REs out of the K REsthat occupy a same multicarrier symbol as the second RE.

According to one aspect of the present disclosure, the above method ischaracterized in that when the first RE occupies an earliestmulticarrier symbol of multicarrier symbols occupied by the K REs intime domain, a first-type parameter corresponding to a first-typecomplex number mapped onto the first RE is equal to P, the P is apre-defined complex number, or the P is a configurable complex number.

According to one aspect of the present disclosure, the above method ischaracterized in that there is a third RE besides the K REs, and thereis a fourth RE among the K REs; the third RE and the fourth RE occupy asame subcarrier in frequency domain, and the third RE and the fourth RErespectively occupy two consecutive multicarrier symbols in time domain;a first-type parameter corresponding to a first-type complex numbermapped onto the fourth RE is equal to a product of a virtual parameterand G, or a first-type parameter corresponding to a first-type complexnumber mapped onto the fourth RE is equal to H; the virtual parameter isrelated to a length of a cyclic prefix of the third RE, the G is acomplex number of modulus equal to 1, an angle of the Gin polarcoordinates is related to a length of a cyclic prefix of the fourth RE,the H is a pre-defined complex number, or the H is a configurablecomplex number.

According to one aspect of the present disclosure, the above method ischaracterized in that the first bit block is used for generating Ksecond-type complex numbers, respective products of the K second-typecomplex numbers and the K first-type parameters are used for generatingthe K first-type complex numbers.

According to one aspect of the present disclosure, the above method ischaracterized in that the first bit block comprises M code blocks, the Mis an integer greater than 1, a first code block is one of the M codeblocks, there are two consecutive bits in the first code block that arediscrete in the first bit block.

According to one aspect of the present disclosure, the above method ischaracterized in comprising:

receiving a second signaling;

herein, the second signaling is used for determining a length of acyclic prefix of each of the K REs.

The present disclosure provides a method in a base station used forwireless communication, comprising:

transmitting a first signaling; and

receiving a first radio signal;

herein, the first signaling is used for determining K REs, K first-typecomplex numbers are respectively mapped onto the K REs, the K first-typecomplex numbers are used for generating the first radio signal, Kfirst-type parameters respectively correspond to the K first-typecomplex numbers, the K first-type complex numbers are respectivelycomplex numbers each of which is of modulus equal to 1, the K first-typeparameters are related to a frequency-domain position of the K REs, eachof the K first-type parameters is related to a length of a cyclic prefixof an RE onto which a corresponding first-type complex number is mapped;the first radio signal carries a first bit block, the K first-typeparameters and the first bit block are used for generating the Kfirst-type complex numbers, the K first-type parameters are unrelated tobits in the first bit block, the K REs are distributed on more than onesubcarrier in frequency domain, and the K REs are distributed on morethan one multicarrier symbol in time domain.

According to one aspect of the present disclosure, the above method ischaracterized in that the K REs are distributed on X multicarriersymbols in time domain, the X is a positive integer greater than 1, atarget multicarrier symbol is one of the X multicarrier symbols otherthan an earliest multicarrier symbol in time domain, REs occupying thetarget multicarrier symbol out of the K REs are comprised by a target REgroup, any two of first-type parameters corresponding to first-typecomplex numbers mapped onto REs comprised by the target RE group areequal.

According to one aspect of the present disclosure, the above method ischaracterized in that among the K REs there are a first RE and a secondRE, the first RE and the second RE occupy a same subcarrier in frequencydomain, and the first RE and the second RE respectively occupy twoconsecutive multicarrier symbols in time domain; a first-type parametercorresponding to a first-type complex number mapped onto the second REis equal to a product of Q and a first-type parameter corresponding to afirst-type complex number mapped onto the first RE, the Q being acomplex number of modulus equal to 1; an angle of the Q in polarcoordinates is related to a length of a cyclic prefix of the second RE,and is also related to at least one of a frequency-domain position ofthe second RE or a frequency-domain position of REs out of the K REsthat occupy a same multicarrier symbol as the second RE.

According to one aspect of the present disclosure, the above method ischaracterized in that when the first RE occupies an earliestmulticarrier symbol of multicarrier symbols occupied by the K REs intime domain, a first-type parameter corresponding to a first-typecomplex number mapped onto the first RE is equal to P, the P is apre-defined complex number, or the P is a configurable complex number.

According to one aspect of the present disclosure, the above method ischaracterized in that there is a third RE besides the K REs, and thereis a fourth RE among the K REs; the third RE and the fourth RE occupy asame subcarrier in frequency domain, and the third RE and the fourth RErespectively occupy two consecutive multicarrier symbols in time domain;a first-type parameter corresponding to a first-type complex numbermapped onto the fourth RE is equal to a product of a virtual parameterand G, or a first-type parameter corresponding to a first-type complexnumber mapped onto the fourth RE is equal to H; the virtual parameter isrelated to a length of a cyclic prefix of the third RE, the G is acomplex number of modulus equal to 1, an angle of the G in polarcoordinates is related to a length of a cyclic prefix of the fourth RE,the H is a pre-defined complex number, or the H is a configurablecomplex number.

According to one aspect of the present disclosure, the above method ischaracterized in that the first bit block is used for generating Ksecond-type complex numbers, respective products of the K second-typecomplex numbers and the K first-type parameters are used for generatingthe K first-type complex numbers.

According to one aspect of the present disclosure, the above method ischaracterized in that the first bit block comprises M code blocks, the Mis an integer greater than 1, a first code block is one of the M codeblocks, there are two consecutive bits in the first code block that arediscrete in the first bit block.

According to one aspect of the present disclosure, the above method ischaracterized in further comprising:

transmitting a second signaling;

herein, the second signaling is used for determining a length of acyclic prefix of each of the K REs.

The present disclosure provides a UE used for wireless communication,comprising:

a first receiver, receiving a first signaling; and

a first transmitter, transmitting a first radio signal;

herein, the first signaling is used for determining K REs, K first-typecomplex numbers are respectively mapped onto the K REs, the K first-typecomplex numbers are used for generating the first radio signal, Kfirst-type parameters respectively correspond to the K first-typecomplex numbers, the K first-type parameters are respectively complexnumbers each of which is of modulus equal to 1, the K first-typeparameters are related to a frequency-domain position of the K REs, eachof the K first-type parameters is related to a length of a cyclic prefixof an RE onto which a corresponding first-type complex number is mapped;the first radio signal carries a first bit block, the K first-typeparameters and the first bit block are used for generating the Kfirst-type complex numbers, the K first-type parameters are unrelated tobits in the first bit block, the K REs are distributed on more than onesubcarrier in frequency domain, and the K REs are distributed on morethan one multicarrier symbol in time domain.

According to one aspect of the present disclosure, the above UE ischaracterized in that the K REs are distributed on X multicarriersymbols in time domain, the X is a positive integer greater than 1, atarget multicarrier symbol is one of the X multicarrier symbols otherthan an earliest multicarrier symbol in time domain, REs occupying thetarget multicarrier symbol out of the K REs are comprised by a target REgroup, any two of first-type parameters corresponding to first-typecomplex numbers mapped onto REs comprised by the target RE group areequal.

According to one aspect of the present disclosure, the above UE ischaracterized in that among the K REs there are a first RE and a secondRE, the first RE and the second RE occupy a same subcarrier in frequencydomain, and the first RE and the second RE respectively occupy twoconsecutive multicarrier symbols in time domain; a first-type parametercorresponding to a first-type complex number mapped onto the second REis equal to a product of Q and a first-type parameter corresponding to afirst-type complex number mapped onto the first RE, the Q being acomplex number of modulus equal to 1; an angle of the Q in polarcoordinates is related to a length of a cyclic prefix of the second RE,and is also related to at least one of a frequency-domain position ofthe second RE or a frequency-domain position of REs out of the K REsthat occupy a same multicarrier symbol as the second RE.

According to one aspect of the present disclosure, the above UE ischaracterized in that when the first RE occupies an earliestmulticarrier symbol of multicarrier symbols occupied by the K REs intime domain, a first-type parameter corresponding to a first-typecomplex number mapped onto the first RE is equal to P, the P is apre-defined complex number, or the P is a configurable complex number.

According to one aspect of the present disclosure, the above UE ischaracterized in that there is a third RE besides the K REs, and thereis a fourth RE among the K REs; the third RE and the fourth RE occupy asame subcarrier in frequency domain, and the third RE and the fourth RErespectively occupy two consecutive multicarrier symbols in time domain;a first-type parameter corresponding to a first-type complex numbermapped onto the fourth RE is equal to a product of a virtual parameterand G, or a first-type parameter corresponding to a first-type complexnumber mapped onto the fourth RE is equal to H; the virtual parameter isrelated to a length of a cyclic prefix of the third RE, the G is acomplex number of modulus equal to 1, an angle of the G in polarcoordinates is related to a length of a cyclic prefix of the fourth RE,the H is a pre-defined complex number, or the H is a configurablecomplex number.

According to one aspect of the present disclosure, the above UE ischaracterized in that the first bit block is used for generating Ksecond-type complex numbers, respective products of the K second-typecomplex numbers and the K first-type parameters are used for generatingthe K first-type complex numbers.

According to one aspect of the present disclosure, the above UE ischaracterized in that the first bit block comprises M code blocks, the Mis an integer greater than 1, a first code block is one of the M codeblocks, there are two consecutive bits in the first code block that arediscrete in the first bit block.

According to one aspect of the present disclosure, the above UE ischaracterized in that the first receiver also receives a secondsignaling; the second signaling is used for determining a length of acyclic prefix of each of the K REs.

The present disclosure provides a base station used for wirelesscommunication, comprising:

a second transmitter, transmitting a first signaling; and

a second receiver, receiving a first radio signal;

herein, the first signaling is used for determining K Resource Elements(REs), K first-type complex numbers are respectively mapped onto the KREs, the K first-type complex numbers are used for generating the firstradio signal, K first-type parameters respectively correspond to the Kfirst-type complex numbers, the K first-type parameters are respectivelycomplex numbers each of which is of modulus equal to 1, the K first-typeparameters are related to a frequency-domain position of the K REs, eachof the K first-type parameters is related to a length of a cyclic prefixof an RE onto which a corresponding first-type complex number is mapped;the first radio signal carries a first bit block, the K first-typeparameters and the first bit block are used for generating the Kfirst-type complex numbers, the K first-type parameters are unrelated tobits in the first bit block, the K REs are distributed on more than onesubcarrier in frequency domain, and the K REs are distributed on morethan one multicarrier symbol in time domain.

According to one aspect of the present disclosure, the above basestation is characterized in that the K REs are distributed on Xmulticarrier symbols in time domain, the X is a positive integer greaterthan 1, a target multicarrier symbol is one of the X multicarriersymbols other than an earliest multicarrier symbol in time domain, REsoccupying the target multicarrier symbol out of the K REs are comprisedby a target RE group, any two of first-type parameters corresponding tofirst-type complex numbers mapped onto REs comprised by the target REgroup are equal.

According to one aspect of the present disclosure, the above basestation is characterized in that among the K REs there are a first REand a second RE, the first RE and the second RE occupy a same subcarrierin frequency domain, and the first RE and the second RE respectivelyoccupy two consecutive multicarrier symbols in time domain; a first-typeparameter corresponding to a first-type complex number mapped onto thesecond RE is equal to a product of Q and a first-type parametercorresponding to a first-type complex number mapped onto the first RE,the Q being a complex number of modulus equal to 1; an angle of the Q inpolar coordinates is related to a length of a cyclic prefix of thesecond RE, and is also related to at least one of a frequency-domainposition of the second RE or a frequency-domain position of REs out ofthe K REs that occupy a same multicarrier symbol as the second RE.

According to one aspect of the present disclosure, the above basestation is characterized in that when the first RE occupies an earliestmulticarrier symbol of multicarrier symbols occupied by the K REs intime domain, a first-type parameter corresponding to a first-typecomplex number mapped onto the first RE is equal to P, the P is apre-defined complex number, or the P is a configurable complex number.

According to one aspect of the present disclosure, the above basestation is characterized in that there is a third RE besides the K REs,and there is a fourth RE among the K REs; the third RE and the fourth REoccupy a same subcarrier in frequency domain, and the third RE and thefourth RE respectively occupy two consecutive multicarrier symbols intime domain; a first-type parameter corresponding to a first-typecomplex number mapped onto the fourth RE is equal to a product of avirtual parameter and G, or a first-type parameter corresponding to afirst-type complex number mapped onto the fourth RE is equal to H; thevirtual parameter is related to a length of a cyclic prefix of the thirdRE, the G is a complex number of modulus equal to 1, an angle of the Gin polar coordinates is related to a length of a cyclic prefix of thefourth RE, the H is a pre-defined complex number, or the H is aconfigurable complex number.

According to one aspect of the present disclosure, the above basestation is characterized in that the first bit block is used forgenerating K second-type complex numbers, respective products of the Ksecond-type complex numbers and the K first-type parameters are used forgenerating the K first-type complex numbers.

According to one aspect of the present disclosure, the above basestation is characterized in that the first bit block comprises M codeblocks, the M is an integer greater than 1, a first code block is one ofthe M code blocks, there are two consecutive bits in the first codeblock that are discrete in the first bit block.

According to one aspect of the present disclosure, the above station ischaracterized in that the second transmitter also transmits a secondsignaling; the second signaling is used for determining a length of acyclic prefix of each of the K REs.

In one embodiment, the present disclosure has the following advantages:

The present disclosure provides a method for phase compensation in timedomain: before performing transform precoding (which is generallyimplemented through DFT), the CP length applied by the resource mappingis used to compensate a phase of each multicarrier symbol in accordancewith the frequency (generally referring to center frequency) of asignal, which has been modulated (if multi-antenna transmitter diversityis performed before DFT, the modulation is performed after precoding ofthe transmitter diversity), so as to ensure contiguous phase changeswhile decreasing PAPR and improving coverage performance.

The above method of time domain phase compensation is also applicable toan SC-FDMA signal generated through frequency conversion and filtering,offering more flexibility to its implementation.

The present disclosure provides a method for phase compensation infrequency domain: in between DFT and IFFT, the latter being used forgenerating a baseband signal, phase compensation is performed on eachsubcarrier according to the CP length in the subcarrier and frequency ofthe subcarrier. The method can reduce PAPR as well.

The phase compensation method in the present disclosure also takes intoaccount cases where uplink frequency-hopping transmission is supportedand data discontinuity is caused by insertion of a reference signal. Bydelicate designs such as resetting phase compensation at the beginningof frequency hopping and assuming that the same phase compensation isemployed for the reference signal, the method better ensures low PAPR ofSC-FDMA transmission and enhances coverage performance.

BRIEF DESCRIPTION OF THE DRAWINGS

Other features, objects and advantages of the present disclosure willbecome more apparent from the detailed description of non-restrictiveembodiments taken in conjunction with the following drawings:

FIG. 1 illustrates a flowchart of transmission of a first signaling anda first radio signal according to one embodiment of the presentdisclosure.

FIG. 2 illustrates a schematic diagram of a network architectureaccording to one embodiment of the present disclosure.

FIG. 3 illustrates a schematic diagram of a radio protocol architectureof a user plane and a control plane according to one embodiment of thepresent disclosure.

FIG. 4 illustrates a schematic diagram of a base station and a UEaccording to one embodiment of the present disclosure.

FIG. 5 illustrates a flowchart of radio signal transmission according toone embodiment of the present disclosure.

FIG. 6 illustrates a schematic diagram of relations between K first-typecomplex numbers and K first-type parameters according to one embodimentof the present disclosure.

FIG. 7 illustrates a schematic diagram of X multicarrier symbolsaccording to one embodiment of the present disclosure.

FIG. 8 illustrates a schematic diagram of a relation between a first REand a second RE according to one embodiment of the present disclosure.

FIG. 9 illustrates a schematic diagram of a relation between a third REand a fourth RE according to one embodiment of the present disclosure.

FIG. 10 illustrates a schematic diagram of a relation between a firstbit block and K second-type complex numbers according to one embodimentof the present disclosure.

FIG. 11 illustrates a schematic diagram of a first code block accordingto one embodiment of the present disclosure.

FIG. 12 illustrates a structure block diagram of a processing device ina UE according to one embodiment of the present disclosure.

FIG. 13 illustrates a structure block diagram of a processing device ina base station according to one embodiment of the present disclosure.

DESCRIPTION OF THE EMBODIMENTS

The technical scheme of the present disclosure is described below infurther details in conjunction with the drawings. It should be notedthat the embodiments of the present disclosure and the characteristicsof the embodiments may be arbitrarily combined if no conflict is caused.

Embodiment 1

Embodiment 1 illustrates a flowchart of transmission of a firstsignaling and a first radio signal according to one embodiment of thepresent disclosure, as shown in FIG. 1. In FIG. 1, each box represents astep. In Embodiment 1, the UE in the present disclosure first receives afirst signaling in Step 101 and then transmits a first radio signal inStep 102; herein, the first signaling is used for determining K ResourceElements (REs), K first-type complex numbers are respectively mappedonto the K REs, the K first-type complex numbers are used for generatingthe first radio signal, K first-type parameters respectively correspondto the K first-type complex numbers, the K first-type parameters arerespectively complex numbers each of which is of modulus equal to 1, theK first-type parameters are related to a frequency-domain position ofthe K REs, each of the K first-type parameters is related to a length ofa cyclic prefix of an RE onto which a corresponding first-type complexnumber is mapped; the first radio signal carries a first bit block, theK first-type parameters and the first bit block are used for generatingthe K first-type complex numbers, the K first-type parameters areunrelated to bits in the first bit block, the K REs are distributed onmore than one subcarrier in frequency domain, and the K REs aredistributed on more than one multicarrier symbol in time domain.

In one embodiment, each of the K REs occupies a subcarrier in frequencydomain, and a multicarrier symbol in time domain, the multicarriersymbol comprising a cyclic prefix (CP).

In one embodiment, each of the K REs occupies an Orthogonal FrequencyDivision Multiplexing (OFDM) subcarrier in frequency domain, and an OFDMmulticarrier symbol in time domain, the OFDM multicarrier symbolcomprising a CP.

In one embodiment, each of the K REs occupies a Single Carrier FrequencyDivision Multiple Access (SC-FDMA) subcarrier in frequency domain, andan SC-FDMA multicarrier symbol in time domain, the SC-FDMA multicarriersymbol comprising a CP.

In one embodiment, REs occupying a same multicarrier symbol out of the KREs are distributed on consecutive subcarriers.

In one embodiment, the K REs are distributed on a same group ofsubcarriers in each multicarrier symbol.

In one embodiment, REs occupying a same multicarrier symbol out of the KREs are distributed on discrete subcarriers.

In one embodiment, there are REs out of the K REs which occupy twomulticarrier symbols and are distributed on two different groups ofsubcarriers.

In one embodiment, CPs of the K REs are of equal length.

In one embodiment, there are two REs out of the K REs whose CP lengthsare unequal.

In one embodiment, CPs of the K REs are Normal CPs.

In one embodiment, CPs of the K REs are Extended CPs.

In one embodiment, the first radio signal occupies the K REs.

In one embodiment, the K is equal to a positive integral multiple of 12,where the positive integral multiple is greater than 1.

In one embodiment, the K first-type complex numbers are respectivelyresource mapped onto the K REs.

In one embodiment, the K first-type complex numbers respectively occupythe K REs.

In one embodiment, the K first-type complex numbers are of a samemodulus.

In one embodiment, the modulus of the K first-type complex numbers isrelated to a transmitting power of the first radio signal.

In one embodiment, a baseband signal of the first radio signal isgenerated by the K first-type complex numbers through baseband signalgeneration. In one subembodiment, the baseband signal generation is usedfor generating an SC-FDMA baseband signal. In another subembodiment, thebaseband signal generation is implemented in accordance with thebaseband signal generation specified in 3GPP TS38.211, section 5.3, orTS36.211, section 5.6.

In one embodiment, a baseband signal of the first radio signal isgenerated by the K first-type complex numbers through IFFT.

In one embodiment, the K first-type parameters are respectively used forchanging phases of the K first-type complex numbers in polarcoordinates.

In one embodiment, the K first-type parameters are unrelated to thecontent of bits in the first bit block.

In one embodiment, the phrase that the K first-type parameters areunrelated to the content of bits in the first bit block means that the Kfirst-type parameters are only related to the K REs.

In one embodiment, the phrase that the K first-type parameters areunrelated to the content of bits in the first bit block means that the Kfirst-type parameters are only related to at least one of a subcarrierspacing (SCS) of the K REs, a frequency domain position of the K REs, aposition of the K REs in a carrier occupied by the K REs, or a length ofa CP of the K REs.

In one embodiment, there exists a real number among the K first-typeparameters.

In one embodiment, there are two first-type parameters out of the Kfirst-type parameters that are equal.

In one embodiment, a frequency-domain position of the K REs are used fordetermining the K first-type parameters.

In one embodiment, any of the K first-type parameters is related to afrequency-domain position of an RE onto which a corresponding first-typecomplex number is mapped.

In one embodiment, any of the K first-type parameters is related to acenter frequency of an RE mapped by a corresponding first-type complexnumber.

In one embodiment, any of the K first-type parameters is related to atime-domain position of an RE out of the K REs onto which acorresponding first-type complex number is mapped.

In one embodiment, a time domain position of one RE of the K REs amongthe K REs is used for determining a first-type parameter correspondingto a first-type complex number mapped onto the RE.

In one embodiment, a frequency domain position of the K REs refers to adistribution pattern of the K REs in frequency domain.

In one embodiment, the K REs occupy contiguous subcarriers in frequencydomain; a frequency domain position of the K REs refers to a centerfrequency of the contiguous subcarriers occupied by the K REs.

In one embodiment, a frequency domain position of the K REs refers to acenter frequency of the first radio signal in baseband.

In one embodiment, a frequency domain position of the K REs is relatedto an SCS of subcarriers occupied by the K REs.

In one embodiment, any of the K first-type parameters is related to atime domain position of an RE out of the K REs onto which acorresponding first-type complex number is mapped; a time-domainposition of one RE of the K REs among the K REs refers to an index of amulticarrier symbol occupied by the RE among multicarrier symbolsoccupied by the K REs.

In one embodiment, any of the K first-type parameters is related to atime-domain position of an RE out of the K REs onto which acorresponding first-type complex number is mapped; a time-domainposition of one RE of the K REs among the K REs refers to an order of amulticarrier symbol occupied by the RE among multicarrier symbolsoccupied by the K REs.

In one embodiment, the K first-type parameters are related to an SCS ofsubcarriers occupied by the K REs.

In one embodiment, the first signaling includes a physical layersignaling.

In one embodiment, the first signaling includes a higher layersignaling.

In one embodiment, the first signaling includes physical layer signalingand higher layer signaling.

In one embodiment, the first signaling comprises one or more fields ofDownlink Control Information (DCI).

In one embodiment, the first signaling is transmitted through a PhysicalDownlink Control Channel (PDCCH).

In one embodiment, the first signaling comprises one or more InformationElements (IEs) in a Radio Resource Control (RRC) signaling.

In one embodiment, the first signaling comprises one or more fields ofan IE in an RRC signaling.

In one embodiment, the first signaling is transmitted through a PhysicalDownlink Shared Channel (PDSCH).

In one embodiment, the first signaling comprises a Medium Access Control(MAC) Control Element (CE).

In one embodiment, the first signaling comprises one or more fields of aMAC CE.

In one embodiment, the first signaling comprises Uplink (UL) Grantcontained in Message-2 (Msg-2).

In one embodiment, the first radio signal comprises an Uplink SharedChannel (UL-SCH).

In one embodiment, the first radio signal is transmitted through aPhysical Uplink Shared Channel (PUSCH).

In one embodiment, the first radio signal is transmitted through aPhysical Uplink Control Channel (PUCCH).

In one embodiment, the first radio signal carries a Msg-3.

In one embodiment, the first radio signal carries Uplink ControlInformation (UCI).

In one embodiment, a modulation scheme employed by the first radiosignal is π/2-BPSK.

In one embodiment, a modulation scheme employed by the first radiosignal is π/4-QPSK.

In one embodiment, the first signaling is used by the UE for determiningthe K REs.

In one embodiment, the first signaling indicates the K REs.

In one embodiment, the first bit block carries all or part of aTransport Block (TB).

In one embodiment, the first bit block carries one or more Code Blocks(CBs).

In one embodiment, the first bit block is obtained after part of or allbits in a TB are subjected to at least the first of Channel Coding,Interleaving, or Scrambling.

In one embodiment, the first bit block is obtained after UCI issubjected to Channel Coding.

In one embodiment, bits in the first bit block are sequentiallyarranged.

In one embodiment, the first bit block comprises a positive integernumber of bits.

In one embodiment, the first bit block comprises K bits.

In one embodiment, the first bit block comprises K/2 bit(s).

Embodiment 2

Embodiment 2 illustrates a schematic diagram of a network architectureaccording to the present disclosure, as shown in FIG. 2. FIG. 2 is FIG.2 is a diagram illustrating a network architecture 200 of NR 5G,Long-Term Evolution (LTE), and Long-Term Evolution Advanced (LTE-A)systems. The NR 5G or LTE network architecture 200 may be called anEvolved Packet System (EPS) 200. The EPS 200 may comprise one or moreUEs 201, an NG-RAN 202, an Evolved Packet Core/5G-CoreNetwork(EPC/5G-CN) 210, a Home Subscriber Server (HSS) 220 and an InternetService 230. The EPS 200 may be interconnected with other accessnetworks. For simple description, the entities/interfaces are not shown.As shown in FIG. 2, the EPS 200 provides packet switching services.Those skilled in the art will find it easy to understand that variousconcepts presented throughout the present disclosure can be extended tonetworks providing circuit switching services or other cellularnetworks. The NG-RAN 202 comprises an NR node B (gNB) 203 and other gNBs204. The gNB 203 provides UE 201-oriented user plane and control planeprotocol terminations. The gNB 203 may be connected to other gNBs 204via an Xn interface (for example, backhaul). The gNB 203 may be called abase station, a base transceiver station, a radio base station, a radiotransceiver, a transceiver function, a Base Service Set (BSS), anExtended Service Set (ESS), a Transmitter Receiver Point (TRP) or someother applicable terms. The gNB 203 provides an access point of theEPC/5G-CN 210 for the UE 201. Examples of UE 201 include cellularphones, smart phones, Session Initiation Protocol (SIP) phones, laptopcomputers, Personal Digital Assistant (PDA), Satellite Radios, GlobalPositioning Systems (GPSs), multimedia devices, video devices, digitalaudio players (for example, MP3 players), cameras, games consoles,unmanned aerial vehicles, air vehicles, narrow-band physical networkequipment, machine-type communication equipment, land vehicles,automobiles, wearables or any other devices having similar functions.Those skilled in the art also can call the UE 201 a mobile station, asubscriber station, a mobile unit, a subscriber unit, a wireless unit, aremote unit, a mobile device, a wireless device, a radio communicationdevice, a remote device, a mobile subscriber station, an accessterminal, a mobile terminal, a wireless terminal, a remote terminal, ahandset, a user proxy, a mobile client, a client, automobile, vehicle orsome other appropriate terms. The gNB 203 is connected with theEPC/5G-CN 210 via an S1/NG interface. The EPC/5G-CN 210 comprises aMobility Management Entity (MME)/Authentication Management Field(AMF)/User Plane Function (UPF) 211, other MMEs/AMFs/UPFs 214, a ServiceGateway (S-GW) 212 and a Packet Date Network Gateway (P-GW) 213. TheMME/AMF/UPF 211 is a control node for processing a signaling between theUE 201 and the EPC/5G-CN 210. Generally, the MME/AMF/UPF 211 providesbearer and connection management. All user Internet Protocol (IP)packets are transmitted through the S-GW 212, the S-GW 212 is connectedto the P-GW 213. The P-GW 213 provides UE IP address allocation andother functions. The P-GW 213 is connected to the Internet Service 230.The Internet Service 230 comprises operator-compatible IP services,specifically including Internet, Intranet, IP Multimedia Subsystem (IMS)and Packet Switching Streaming Services (PSS).

In one embodiment, the UE 201 corresponds to the UE in the presentdisclosure.

In one embodiment, the gNB 203 corresponds to the base station in thepresent disclosure.

In one embodiment, the UE 201 supports π/2-BPSK or π/4-QPSK modulationscheme.

In one embodiment, the gNB 203 supports π/2-BPSK or π/4-QPSK modulationscheme.

In one embodiment, the UE 201 supports SC-FDMA waveform.

In one embodiment, the gNB 203 supports SC-FDMA waveform.

Embodiment 3

Embodiment 3 illustrates a schematic diagram of an embodiment of a radioprotocol architecture of a user plane and a control plane according tothe present disclosure, as shown in FIG. 3. FIG. 3 is a schematicdiagram illustrating a radio protocol architecture of a user plane and acontrol plane. In FIG. 3, the radio protocol architecture for a UE and abase station (gNB, eNB) is represented by three layers, which are alayer 1, a layer 2 and a layer 3, respectively. The layer 1 (L1) is thelowest layer and performs signal processing functions of various PHYlayers. The L1 is called PHY 301 in the present disclosure. The layer 2(L2) 305 is above the PHY 301, and is in charge of the link between theUE and the gNB via the PHY 301. In the user plane, L2 305 comprises aMedium Access Control (MAC) sublayer 302, a Radio Link Control (RLC)sublayer 303 and a Packet Data Convergence Protocol (PDCP) sublayer 304.All the three sublayers terminate at the gNBs of the network side.Although not described in FIG. 3, the UE may comprise several higherlayers above the L2 305, such as a network layer (i.e., IP layer)terminated at a P-GW 213 of the network side and an application layerterminated at the other side of the connection (i.e., a peer UE, aserver, etc.). The PDCP sublayer 304 provides multiplexing amongvariable radio bearers and logical channels. The PDCP sublayer 304 alsoprovides a header compression for a higher-layer packet so as to reducea radio transmission overhead. The PDCP sublayer 304 provides securityby encrypting a packet and provides support for UE handover betweengNBs. The RLC sublayer 303 provides segmentation and reassembling of ahigher-layer packet, retransmission of a lost packet, and reordering ofa packet so as to compensate the disordered receiving caused by HARQ.The MAC sublayer 302 provides multiplexing between a logical channel anda transport channel. The MAC sublayer 302 is also responsible forallocating between UEs various radio resources (i.e., resource blocks)in a cell. The MAC sublayer 302 is also in charge of HARQ operation. Inthe control plane, the radio protocol architecture of the UE and the gNBis almost the same as the radio protocol architecture in the user planeon the PHY 301 and the L2 305, but there is no header compression forthe control plane. The control plane also comprises an RRC sublayer 306in the layer 3 (L3). The RRC sublayer 306 is responsible for acquiringradio resources (i.e., radio bearer) and configuring the lower layerusing an RRC signaling between the gNB and the UE.

In one embodiment, the radio protocol architecture in FIG. 3 isapplicable to the UE in the present disclosure.

In one embodiment, the radio protocol architecture in FIG. 3 isapplicable to the base station in the present disclosure.

In one embodiment, the first signaling in the present disclosure isgenerated by the RRC sublayer 306.

In one embodiment, the first signaling in the present disclosure isgenerated by the MAC sublayer 302.

In one embodiment, the first signaling in the present disclosure isgenerated by the PHY 301.

In one embodiment, the first radio signal in the present disclosure isgenerated by the RRC sublayer 306.

In one embodiment, the first radio signal in the present disclosure isgenerated by the PHY 301.

In one embodiment, the second signaling in the present disclosure isgenerated by the RRC sublayer 306.

In one embodiment, the second signaling in the present disclosure isgenerated by the MAC sublayer 302.

In one embodiment, the second signaling in the present disclosure isgenerated by the PHY 301.

Embodiment 4

Embodiment 4 illustrates a schematic diagram of a base station and agiven UE according to the present disclosure, as shown in FIG. 4. FIG. 4is a block diagram of a gNB/eNB 410 in communication with a UE 450 in anaccess network.

The UE (450) comprises a controller/processor 490, a memory 480, areceiving processor 452, a transmitter/receiver 456, a transmittingprocessor 455 and a data source 467, wherein the transmitter/receiver456 comprises an antenna 460. The data source 467 provides ahigher-layer packet to the controller/processor 490, thecontroller/processor 490 provides header compression and decompression,encryption and decryption, packet segmentation and reordering andmultiplexing and demultiplexing between a logical channel and atransport channel so as to implement the L2 layer protocols used for theuser plane and the control plane. The higher layer packet may comprisedata or control information, such as DL-SCH or UL-SCH. The transmittingprocessor 455 performs various signal transmitting processing functionsof the L1 layer (that is, PHY), including coding, interleaving,scrambling, modulation, power control/allocation, precoding and physicallayer signaling generation. The receiving processor 452 performs varioussignal receiving processing functions of the L1 layer (that is, PHY),including decoding, de-interleaving, descrambling, demodulation,de-precoding and physical layer control signaling extraction. Thetransmitter 456 is configured to convert a baseband signal provided bythe transmitting processor 455 into a radio frequency (RF) signal to betransmitted via the antenna 460. The receiver 456 is configured toconvert the RF signal received via the antenna 460 into a basebandsignal to be provided to the receiving processor 452.

The base station (410) may comprise a controller/processor 440, a memory430, a receiving processor 412, a transmitter/receiver 416 and atransmitting processor 415, wherein the transmitter/receiver 416comprises an antenna 420. A higher layer packet is provided to thecontroller/processor 440. The controller/processor 440 provides headercompression and decompression, encryption and decryption, packetsegmentation and reordering and multiplexing and demultiplexing betweena logical channel and a transport channel, so as to implement the L2layer protocols used for the user plane and the control plane. Thehigher layer packet may comprise data or control information, such asDL-SCH or UL-SCH. The transmitting processor 415 performs various signaltransmitting processing functions of the L1 layer (that is, PHY),including coding, interleaving, scrambling, modulation, powercontrol/allocation, precoding and physical layer signaling (i.e.,synchronization signal, reference signal, etc.) generation. Thereceiving processor 412 performs various signal receiving processingfunctions of the L1 layer (that is, PHY), including decoding,de-interleaving, descrambling, demodulation, de-precoding and physicallayer signaling extraction. The transmitter 416 is configured to converta baseband signal provided by the transmitting processor 415 into a RFsignal to be transmitted via the antenna 420. The receiver 416 isconfigured to convert the RF signal received via the antenna 420 into abaseband signal to be provided to the receiving processor 412.

In Downlink (DL) transmission, a higher layer packet is provided to thecontroller/processor 440. The controller/processor 440 implements thefunctionality of the L2 layer. In DL transmission, thecontroller/processor 440 provides header compression, encryption, packetsegmentation and reordering and multiplexing between a logical channeland a transport channel, as well as radio resource allocation for the UE450 based on varied priorities. The controller/processor 440 is also incharge of HARQ operation, retransmission of a lost packet, and asignaling to the UE 450, for instance, the first signaling and thesecond signaling are all generated in the controller/processor 440. Thetransmitting processor 415 performs signal processing functions of theL1 layer (that is, PHY), including decoding and interleaving, so as topromote Forward Error Correction (FEC) at the UE 450 side and modulationof baseband signal based on various modulation schemes (i.e., BPSK,QPSK). Modulation symbols are divided into parallel streams and eachstream is mapped onto a corresponding multicarrier subcarrier and/ormulticarrier symbol, which is later mapped from the transmittingprocessor 415 to the antenna 420 via the transmitter 416 to betransmitted in the form of RF signal. Corresponding channels of thefirst signaling and the second signaling of the present disclosure onphysical layer are mapped from the transmitting processor 415 to targetradio resources and then mapped from the transmitter 416 to the antenna420 to be transmitted in the form of RF signals. At the receiving side,each receiver 456 receives an RF signal via a corresponding antenna 460;each receiver 456 recovers baseband information modulated to the RFcarrier and provides the baseband information to the receiving processor452. The receiving processor 452 performs signal receiving processingfunctions of the L1 layer. The signal receiving processing functionsinclude reception of physical layer signals carrying the first signalingand the second signaling of the present disclosure, demodulation ofmulticarrier symbols in multicarrier symbol streams based on eachmodulation scheme (e.g., BPSK, QPSK), and then decoding andde-interleaving of the demodulated symbols so as to recover data orcontrol signals transmitted by the base station (gNB) 410 on a physicalchannel, and the data or control signals are later provided to thecontroller/processor 490. The controller/processor 490 implements thefunctionality of the L2 layer. The controller/processor 490 may beassociated with the memory 480 that stores program codes and data. Thememory 480 can be called a computer readable medium.

In Uplink (UL) transmission, the data source 467 is used to provide thefirst radio signal of the present disclosure to the controller/processor490. The data source 467 represents all protocol layers above the L2layer. The controller/processor 490 provides header compression,encryption, packet segmentation and reordering and multiplexing betweena logical channel and a transport channel based on radio resourcesallocation for the gNB 410, so as to implement the L2 layer protocolsused for the user plane and the control plane. The controller/processor490 is also in charge of HARQ operation, retransmission of a lostpacket, and a signaling to the gNB 410. The transmitting processor 455provides various signal transmitting processing functions used for theL1 layer (that is, PHY). The signal transmitting processing functionsinclude coding and interleaving to promote FEC at the UE 450 as well asmodulation of baseband signal based on each modulation scheme (such asπ/2-BPSK or π/4-QPSK). Modulation symbols are divided into parallelstreams and each stream is mapped onto a corresponding multicarriersubcarrier and/or multicarrier symbol (e.g., SC-FDMA subcarrier ormulticarrier symbol), which is later mapped from the transmittingprocessor 455 to the antenna 460 via the transmitter 456 to betransmitted in the form of RF signal. The receiver 416 receives an RFsignal via a corresponding antenna 420. Each receiver 416 recoversbaseband information modulated to the RF carrier, and provides thebaseband information to the receiving processor 412. The receivingprocessor 412 provides various signal receiving processing functionsused for the L1 layer (that is, PHY). The signal receiving processingfunctions include acquisition of multicarrier symbol streams,demodulation of multicarrier symbols in the multicarrier symbol streamsbased on each modulation scheme (e.g., π/2-BPSK modulation or π/4-QPSKmodulation), and then decoding and de-interleaving of the demodulatedsymbols so as to recover data and/or control signals originallytransmitted by the UE 450 on a physical channel. And the data and/orcontrol signals are later provided to the controller/processor 440. Thecontroller/processor 440 implements the functionality of the L2 layer.The controller/processor 440 may be associated with the memory 430 thatstores program codes and data. The memory 430 can be called a computerreadable medium.

In one embodiment, the UE 450 comprises at least one processor and atleast one memory, the at least one memory comprises computer programcodes; the at least one memory and the computer program codes areconfigured to be used in collaboration with the at least one processor,the UE 450 at least receives a first signaling; and transmits a firstradio signal; herein, the first signaling is used for determining K REs,K first-type complex numbers are respectively mapped onto the K REs, theK first-type complex numbers are used for generating the first radiosignal, K first-type parameters respectively correspond to the Kfirst-type complex numbers, the K first-type parameters are respectivelycomplex numbers each of which is of modulus equal to 1, the K first-typeparameters are related to a frequency-domain position of the K REs, eachof the K first-type parameters is related to a length of a cyclic prefixof an RE onto which a corresponding first-type complex number is mapped;the first radio signal carries a first bit block, the K first-typeparameters and the first bit block are used for generating the Kfirst-type complex numbers, the K first-type parameters are unrelated tobits in the first bit block, the K REs are distributed on more than onesubcarrier in frequency domain, and the K REs are distributed on morethan one multicarrier symbol in time domain.

In one embodiment, the UE 450 comprises a memory that stores computerreadable instruction program, the computer readable instruction programgenerates an action when executed by at least one processor, the actionincludes: receiving a first signaling; and transmitting a first radiosignal; herein, the first signaling is used for determining K ResourceElements (REs), K first-type complex numbers are respectively mappedonto the K REs, the K first-type complex numbers are used for generatingthe first radio signal, K first-type parameters respectively correspondto the K first-type complex numbers, the K first-type parameters arerespectively complex numbers each of which is of modulus equal to 1, theK first-type parameters are related to a frequency-domain position ofthe K REs, each of the K first-type parameters is related to a length ofa cyclic prefix of an RE onto which a corresponding first-type complexnumber is mapped; the first radio signal carries a first bit block, theK first-type parameters and the first bit block are used for generatingthe K first-type complex numbers, the K first-type parameters areunrelated to bits in the first bit block, the K REs are distributed onmore than one subcarrier in frequency domain, and the K REs aredistributed on more than one multicarrier symbol in time domain.

In one embodiment, the eNB 410 comprises at least one processor and atleast one memory, the at least one memory comprises computer programcodes; the at least one memory and the computer program codes areconfigured to be used in collaboration with the at least one processor.The eNB 450 at least transmits a first signaling; and receives a firstradio signal; herein, the first signaling is used for determining K REs,K first-type complex numbers are respectively mapped onto the K REs, theK first-type complex numbers are used for generating the first radiosignal, K first-type parameters respectively correspond to the Kfirst-type complex numbers, the K first-type complex numbers arerespectively complex numbers each of which is of modulus equal to 1, theK first-type parameters are related to a frequency-domain position ofthe K REs, each of the K first-type parameters is related to a length ofa cyclic prefix of an RE onto which a corresponding first-type complexnumber is mapped; the first radio signal carries a first bit block, theK first-type parameters and the first bit block are used for generatingthe K first-type complex numbers, the K first-type parameters areunrelated to bits in the first bit block, the K REs are distributed onmore than one subcarrier in frequency domain, and the K REs aredistributed on more than one multicarrier symbol in time domain.

In one embodiment, the eNB 410 comprises a memory that stores computerreadable instruction program, the computer readable instruction programgenerates an action when executed by at least one processor, the actionincludes: transmitting a first signaling; and receiving a first radiosignal; herein, the first signaling is used for determining K REs, Kfirst-type complex numbers are respectively mapped onto the K REs, the Kfirst-type complex numbers are used for generating the first radiosignal, K first-type parameters respectively correspond to the Kfirst-type complex numbers, the K first-type complex numbers arerespectively complex numbers each of which is of modulus equal to 1, theK first-type parameters are related to a frequency-domain position ofthe K REs, each of the K first-type parameters is related to a length ofa cyclic prefix of an RE onto which a corresponding first-type complexnumber is mapped; the first radio signal carries a first bit block, theK first-type parameters and the first bit block are used for generatingthe K first-type complex numbers, the K first-type parameters areunrelated to bits in the first bit block, the K REs are distributed onmore than one subcarrier in frequency domain, and the K REs aredistributed on more than one multicarrier symbol in time domain.

In one embodiment, the UE 450 corresponds to the UE in the presentdisclosure.

In one embodiment, the gNB 410 corresponds to the base station in thepresent disclosure.

In one embodiment, the receiver 456 (comprising the antenna 460), thereceiving processor 452 and the controller/processor 490 are used in thepresent disclosure for receiving a first signaling.

In one embodiment, the receiver 456 (comprising the antenna 460), thereceiving processor 452 and the controller/processor 490 are used in thepresent disclosure for receiving a second signaling.

In one embodiment, the transmitter 456 (comprising the antenna 460), thetransmitting processor 455 and the controller/processor 490 are used inthe present disclosure for transmitting a first radio signal.

In one embodiment, the transmitter 416 (comprising the antenna 420), thetransmitting processor 415 and the controller/processor 440 are used inthe present disclosure for transmitting a first signaling.

In one embodiment, the transmitter 416 (comprising the antenna 420), thetransmitting processor 415 and the controller/processor 440 are used inthe present disclosure for transmitting a second signaling.

In one embodiment, the receiver 416 (comprising the antenna 420), thereceiving processor 412 and the controller/processor 440 are used in thepresent disclosure for transmitting a first radio signal.

Embodiment 5

Embodiment 5 illustrates a flowchart of radio signal transmissionaccording to one embodiment of the present disclosure, as shown in FIG.5. In FIG. 5, a base station N1 is a maintenance base station for aserving cell of a UE U2.

The base station N1 transmits a second signaling in step S11, transmitsa first signaling in step S12, and receives a first radio signal in stepS13.

The UE U2 receives a second signaling in step S21, receives a firstsignaling in step S22, and transmits a first radio signal in step S23.

In Embodiment 5, the first signaling is used for determining K ResourceElements (REs), K first-type complex numbers are respectively mappedonto the K REs, the K first-type complex numbers are used for generatingthe first radio signal, K first-type parameters respectively correspondto the K first-type complex numbers, the K first-type parameters arerespectively complex numbers each of which is of modulus equal to 1, theK first-type parameters are related to a frequency-domain position ofthe K REs, each of the K first-type parameters is related to a length ofa cyclic prefix of an RE onto which a corresponding first-type complexnumber is mapped; the first radio signal carries a first bit block, theK first-type parameters and the first bit block are used for generatingthe K first-type complex numbers, the K first-type parameters areunrelated to bits in the first bit block, the K REs are distributed onmore than one subcarrier in frequency domain, and the K REs aredistributed on more than one multicarrier symbol in time domain. Thesecond signaling is used for determining the length of a cyclic prefixof each of the K REs.

In one embodiment, the K REs are distributed on X multicarrier symbolsin time domain, the X is a positive integer greater than 1, a targetmulticarrier symbol is one of the X multicarrier symbols other than anearliest multicarrier symbol in time domain, REs occupying the targetmulticarrier symbol out of the K REs are comprised by a target RE group,any two of first-type parameters corresponding to first-type complexnumbers mapped onto REs comprised by the target RE group are equal.

In one embodiment, among the K REs there are a first RE and a second RE,the first RE and the second RE occupy a same subcarrier in frequencydomain, and the first RE and the second RE respectively occupy twoconsecutive multicarrier symbols in time domain; a first-type parametercorresponding to a first-type complex number mapped onto the second REis equal to a product of Q and a first-type parameter corresponding to afirst-type complex number mapped onto the first RE, the Q being acomplex number of modulus equal to 1; an angle of the Q in polarcoordinates is related to a length of a cyclic prefix of the second RE,and is also related to at least one of a frequency-domain position ofthe second RE or a frequency-domain position of REs out of the K REsthat occupy a same multicarrier symbol as the second RE.

In one embodiment, when the first RE occupies an earliest multicarriersymbol of multicarrier symbols occupied by the K REs in time domain, afirst-type parameter corresponding to a first-type complex number mappedonto the first RE is equal to P, the P is a pre-defined complex number,or the P is a configurable complex number.

In one embodiment, there is a third RE besides the K REs, and there is afourth RE among the K REs; the third RE and the fourth RE occupy a samesubcarrier in frequency domain, and the third RE and the fourth RErespectively occupy two consecutive multicarrier symbols in time domain;a first-type parameter corresponding to a first-type complex numbermapped onto the fourth RE is equal to a product of a virtual parameterand G, or a first-type parameter corresponding to a first-type complexnumber mapped onto the fourth RE is equal to H; the virtual parameter isrelated to a length of a cyclic prefix of the third RE, the G is acomplex number of modulus equal to 1, an angle of the G in polarcoordinates is related to a length of a cyclic prefix of the fourth RE,the H is a pre-defined complex number, or the H is a configurablecomplex number.

In one embodiment, the first bit block is used for generating Ksecond-type complex numbers, respective products of the K second-typecomplex numbers and the K first-type parameters are used for generatingthe K first-type complex numbers.

In one embodiment, the first bit block comprises M code blocks, the M isan integer greater than 1, a first code block is one of the M codeblocks, there are two consecutive bits in the first code block that arediscrete in the first bit block.

In one embodiment, the second signaling indicates the Numerology of theK REs.

In one embodiment, the second signaling indicates a Bandwidth Part (BWP)to which the K REs belong.

In one embodiment, the second signaling indicates a subcarrier spacing(SCS) of subcarriers occupied by the K REs.

In one embodiment, the second signaling is used by the UE fordetermining a length of a cyclic prefix of each of the K REs.

In one embodiment, the second signaling indicates a length of a cyclicprefix of each of the K REs.

In one embodiment, the second signaling includes a physical layersignaling.

In one embodiment, the second signaling includes a higher layersignaling.

In one embodiment, the second signaling includes a physical layersignaling and a higher layer signaling.

In one embodiment, the second signaling comprises one or more fields ofDCI.

In one embodiment, the second signaling is transmitted through a PDCCH.

In one embodiment, the second signaling comprises one or more IEs in anRRC signaling.

In one embodiment, the second signaling comprises one or more fields ofan IE in an RRC signaling.

In one embodiment, the second signaling is transmitted through a PDSCH.

In one embodiment, the second signaling comprises a MAC CE.

In one embodiment, the second signaling comprises one or more fields ofa MAC CE.

In one embodiment, the second signaling comprises UL Grant contained inMsg-2.

In one embodiment, the first signaling and the second signalingcomprises a same signaling.

In one embodiment, the first signaling and the second signaling aretotally different signalings.

Embodiment 6

Embodiment 6 illustrates a schematic diagram of relations between Kfirst-type complex numbers and K first-type parameters according to oneembodiment of the present disclosure, as shown in FIG. 6. In FIG. 6, thehorizontal axis represents time, and the vertical axis representsfrequency. Each box represents one of the K REs. An input to an arrowabove each transformation symbol is one of K first-type parameters,while an output from the transformation is one of K first-type complexnumbers.

In Embodiment 6, K first-type complex numbers are respectively mappedonto the K REs, the K first-type complex numbers are used for generatingthe first radio signal, K first-type parameters respectively correspondto the K first-type complex numbers, the K first-type parameters arerespectively complex numbers each of which is of modulus equal to 1, theK first-type parameters are related to a frequency-domain position ofthe K REs, each of the K first-type parameters is related to a length ofa cyclic prefix of an RE onto which a corresponding first-type complexnumber is mapped; the first radio signal carries a first bit block, theK first-type parameters and the first bit block are used for generatingthe K first-type complex numbers, the K first-type parameters areunrelated to bits in the first bit block, the K REs are distributed onmore than one subcarrier in frequency domain, and the K REs aredistributed on more than one multicarrier symbol in time domain.

In one embodiment, a baseband signal of the first radio signal isgenerated by the K first-type complex numbers through baseband signalgeneration. In one subembodiment, the baseband signal generation is usedfor generating an SC-FDMA baseband signal. In another subembodiment, thebaseband signal generation is implemented in accordance with thebaseband signal generation specified in 3GPP TS38.211, section 5.3, orTS36.211, section 5.6.

In one embodiment, a baseband signal of the first radio signal isgenerated by the K first-type complex numbers through IFFT.

In one embodiment, the K first-type parameters are respectively used fordetermining phases of the K first-type complex numbers in polarcoordinates.

In one embodiment, the K first-type parameters are unrelated to thecontent of bits in the first bit block.

In one embodiment, the phrase that the K first-type parameters areunrelated to the content of bits in the first bit block means that the Kfirst-type parameters are only related to the K REs.

In one embodiment, the phrase that the K first-type parameters areunrelated to the content of bits in the first bit block means that the Kfirst-type parameters are only related to at least one of an SCS of theK REs, a frequency domain position of the K REs, a position of the K REsin a carrier occupied by the K REs, or a length of a CP of the K REs.

In one embodiment, there exists a real number among the K first-typeparameters.

In one embodiment, there are two first-type parameters out of the Kfirst-type parameters that are equal.

In one embodiment, the K first-type parameters are related to the SCS ofsubcarriers occupied by the K REs.

Embodiment 7

Embodiment 7 illustrates a schematic diagram of X multicarrier symbolsaccording to one embodiment of the present disclosure, as shown in FIG.7. In FIG. 7, the horizontal axis represents time, while the verticalaxis represents frequency. Each square represents a multicarrier symbol;the slash-filled square represents a target multicarrier symbol; φ₁, . .. , φ_(X) respectively represent a first-type parameter corresponding toeach of multicarrier symbol.

In Embodiment 7, the K REs of the present disclosure are distributed onX multicarrier symbols in time domain, the X is a positive integergreater than 1, a target multicarrier symbol is one of the Xmulticarrier symbols other than an earliest multicarrier symbol in timedomain, REs occupying the target multicarrier symbol out of the K REsare comprised by a target RE group, any two of first-type parameterscorresponding to first-type complex numbers mapped onto REs comprised bythe target RE group are equal.

In one embodiment, the X multicarrier symbols are consecutive in timedomain.

In one embodiment, the X multicarrier symbols are discrete in timedomain.

In one embodiment, a first-type parameter corresponding to a first-typecomplex number mapped onto an RE comprised by the target RE group isrelated to a characteristic frequency of frequency domain resourcesoccupied by the target RE group.

In one subembodiment, the characteristic frequency is a centerfrequency.

In one subembodiment, the characteristic frequency is a lowestfrequency.

In one subembodiment, the characteristic frequency is a highestfrequency.

In one subembodiment, the characteristic frequency is a frequencyobtained after a center frequency is shifted by a fixed offset.

In one embodiment, a first-type parameter corresponding to a first-typecomplex number mapped onto an RE comprised by the target RE group isunrelated to a number of REs in the target RE group.

In one embodiment, a first-type parameter corresponding to a first-typecomplex number mapped onto an RE comprised by the target RE group isunrelated to an SCS of subcarriers of the target RE group.

Embodiment 8

Embodiment 8 illustrates a schematic diagram of a relation between afirst RE and a second RE according to one embodiment of the presentdisclosure, as shown in FIG. 8. In FIG. 8, the horizontal axisrepresents time, and the vertical axis represents frequency. Each smallbox represents one of K REs; the cross-filled box represents a first RE,while the slash-filled box represents a second RE; a first-typeparameter corresponding to the first RE and a first-type parametercorresponding to the second RE are respectively represented by full-linevectors in polar coordinates, with the endpoint being a circle dot.

In Embodiment 8, there are a first RE and a second RE of the presentdisclosure, the first RE and the second RE occupy a same subcarrier infrequency domain, and the first RE and the second RE respectively occupytwo consecutive multicarrier symbols in time domain; a first-typeparameter corresponding to a first-type complex number mapped onto thesecond RE is equal to a product of Q and a first-type parametercorresponding to a first-type complex number mapped onto the first RE,the Q being a complex number of modulus equal to 1; an angle of the Q inpolar coordinates is related to a length of a cyclic prefix of thesecond RE, and is also related to at least one of a frequency-domainposition of the second RE or a frequency-domain position of REs out ofthe K REs that occupy a same multicarrier symbol as the second RE; whenthe first RE occupies an earliest multicarrier symbol of multicarriersymbols occupied by the K REs in time domain, a first-type parametercorresponding to a first-type complex number mapped onto the first RE isequal to P, the P is a pre-defined complex number, or the P is aconfigurable complex number.

In one embodiment, a multicarrier symbol to which the first RE belongsand a multicarrier symbol to which the second RE belongs are twoadjacent multicarrier symbols in time domain.

In one embodiment, a multicarrier symbol to which the first RE belongsand a multicarrier symbol to which the second RE belongs are twonon-adjacent multicarrier symbols in time domain.

In one embodiment, a CP in the first RE and a CP in the second RE are ofequal length.

In one embodiment, a CP in the first RE and a CP in the second RE are ofunequal lengths.

In one embodiment, for a given subcarrier occupied by the second RE, theangle of the Q in polar coordinates is linear with a length of a CP inthe second RE.

In one embodiment, the frequency-domain position of the second RE refersto a center frequency of a subcarrier occupied by the second RE.

In one embodiment, the frequency-domain position of the second RE refersto a center frequency of a subcarrier occupied by the second RE in abaseband.

In one embodiment, the frequency-domain position of the second RE refersto an absolute position of the second RE in baseband frequency domain.

In one embodiment, a frequency-domain position of REs out of the K REswhich occupy a same multicarrier symbol as the second RE refers to acenter frequency of frequency domain resources occupied by the REs outof the K REs which occupies a same multicarrier symbol as the second RE.

In one embodiment, a frequency-domain position of REs out of the K REswhich occupy a same multicarrier symbol as the second RE refers to acenter frequency of a baseband of frequency domain resources occupied bythe RE out of the K REs which occupies a same multicarrier symbol as thesecond RE.

In one embodiment, a frequency-domain position of REs out of the K REswhich occupy a same multicarrier symbol as the second RE refers to afrequency-domain position of frequency domain resources occupied by thefirst radio signal.

In one embodiment, a frequency-domain position of REs out of the K REswhich occupy a same multicarrier symbol as the second RE refers to afrequency-domain position of a characteristic frequency of frequencydomain resources occupied by the first radio signal. In onesubembodiment, the characteristic frequency is a center frequency. Inanother subembodiment, the characteristic frequency is a frequencyobtained after a center frequency is shifted by a fixed offset.

In one embodiment, a frequency-domain position of REs of the K REs whichoccupy a same multicarrier symbol as the second RE refers to a centerfrequency of frequency domain resources occupied by the first radiosignal in baseband.

In one embodiment, the Q is obtained through the following formula:Q=e ^(j2πf(N+N) ^(CP) ⁾

Herein, N is a length of a data symbol in the first RE; N_(CP) is alength of a CP in the second RE; f is a center frequency of frequencydomain resources occupied by REs out of the K REs which occupy a samemulticarrier symbol as the second RE.

In one embodiment, the Q is obtained through the following formula:Q=e ^(j2πf(N+N) ^(CP) ⁾

Herein, N is a length of a data symbol in the first RE; N_(CP) is alength of a CP in the second RE; f is a center frequency of a subcarrieroccupied by the second RE.

In one embodiment, the P is equal to 1.

In one embodiment, the P is not equal to 1.

In one embodiment, the modulus of the P is equal to 1.

In one embodiment, the P is a complex number whose modulus is equal to 1and phase in polar coordinates is larger than 0.

In one embodiment, a length of a CP of the first RE is greater than alength of a CP contained in a multicarrier symbol other than amulticarrier symbol occupied by the first RE among the multicarriersymbols occupied by the K REs.

In one embodiment, CPs of multicarrier symbols occupied by the K REs areof equal length.

Embodiment 9

Embodiment 9 illustrates a schematic diagram of a relation between athird RE and a fourth RE according to one embodiment of the presentdisclosure, as shown in FIG. 9. In FIG. 9, the horizontal axisrepresents time, and the vertical axis represents frequency. Each smallbox framed with solid lines represents one of K REs; the box filled withcrosses represents a third RE, and the box filled with slashesrepresents a fourth RE. in Case A, a virtual parameter is a vector inpolar coordinates corresponding to the third RE, with a circle dot beingthe endpoint; in Case B, a first-type parameter corresponding to thefourth RE is a vector in polar coordinates corresponding to the fourthRE, with a circle dot being the endpoint.

In Embodiment 9, there is a third RE besides the K REs, and there is afourth RE among the K REs; the third RE and the fourth RE occupy a samesubcarrier in frequency domain, and the third RE and the fourth RErespectively occupy two consecutive multicarrier symbols in time domain;a first-type parameter corresponding to a first-type complex numbermapped onto the fourth RE is equal to a product of a virtual parameterand G, or a first-type parameter corresponding to a first-type complexnumber mapped onto the fourth RE is equal to H; the virtual parameter isrelated to a length of a cyclic prefix of the third RE, the G is acomplex number of modulus equal to 1, an angle of the G in polarcoordinates is related to a length of a cyclic prefix of the fourth RE,the H is a pre-defined complex number, or the H is a configurablecomplex number.

In one embodiment, an angle of the Gin polar coordinates is also relatedto at least one of frequency domain resources occupied by the fourth REor frequency domain resources occupied by the first radio signal.

In one embodiment, the H is equal to 1.

In one embodiment, the H is unequal to 1.

In one embodiment, the modulus of the H is equal to 1.

In one embodiment, the H is a complex number whose modulus is 1 andwhose phase in polar coordinates is greater than 0.

In one embodiment, the fourth RE is one of the K REs other than an REoccupying an earliest multicarrier symbol.

In one embodiment, the first radio signal starts frequency hopping froma multicarrier symbol occupied by the fourth RE.

In one embodiment, the third RE is used for transmitting an uplinkreference signal.

In one embodiment, the third RE is used for transmitting an UplinkDemodulation Reference Signal (UL DMRS).

In one embodiment, the third RE is used for transmitting an UplinkSounding Reference Signal (UL SRS).

In one embodiment, the third RE is scheduled for transmission of userequipment other than the UE.

In one embodiment, the third RE is not scheduled for transmission.

In one embodiment, an RE occupying a same subcarrier as the third RE butis on a previous multicarrier symbol belongs to the K REs.

In one embodiment, an RE occupying a same subcarrier as the third RE butis on a previous multicarrier symbol is outside the K REs.

In one embodiment, the virtual parameter is a first-type parameterobtained by the UE assuming that the third RE is used for transmittingthe first radio signal.

In one embodiment, a fifth RE is an RE occupying a same subcarrier asthe third RE but is on a previous multicarrier symbol. The fifth RE isone of the K REs, the virtual parameter e^(φ) ³ is obtained through thefollowing formula:e ^(φ) ³ =e ^(φ) ⁵ ·e ^(j2πf(N+N) ^(CP) ⁾

Herein, e^(φ) ³ is a first-type parameter corresponding to a first-typecomplex number mapped onto the fifth RE; N is a length of a data symbolin the fifth RE; N_(CP) is a length of a CP in the third RE; f is acenter frequency of a subcarrier occupied by the third RE.

In one embodiment, a fifth RE is an RE occupying a same subcarrier asthe third RE but is on a previous multicarrier symbol. The fifth RE isone of the K REs, the virtual parameter e^(φ) ³ is obtained through thefollowing formula:e ^(φ) ³ =e ^(φ) ⁵ ·e ^(j2πf(N+N) ^(CP) ⁾

In one embodiment, e^(φ) ³ is a first-type parameter corresponding to afirst-type complex number mapped onto the fifth RE; N is a length of adata symbol in the fifth RE; N_(CP) is a length of a CP in the third RE;f is a center frequency of the first radio signal.

In one embodiment, the G is obtained through the following formula:G=e ^(j2πf(N+N) ^(CP) ⁾

Herein, N is a length of a data symbol in the third RE; N_(CP) is alength of a CP in the fourth RE; f is a center frequency of frequencydomain resources occupied by REs out of the K REs occupying a samemulticarrier symbol as the fourth RE.

In one embodiment, the G is obtained through the following formula:G=e ^(j2πf(N+N) ^(CP) ⁾

Herein, N is a length of a data symbol in the third RE; N_(CP) is alength of a CP in the fourth RE; f is a center frequency of a subcarrieroccupied by the fourth RE.

Embodiment 10

Embodiment 10 illustrates a schematic diagram of a relation between afirst bit block and K second-type complex numbers according to oneembodiment of the present disclosure, as shown in FIG. 10. In FIG. 10,the block diagram in case A represents modulation, while the two blockdiagrams in case B respectively represent modulation and DiscreteFourier Transform (DFT).

In Embodiment 10, the first bit block in the present disclosure is usedfor generating K second-type complex numbers, respective products of theK second-type complex numbers and the K first-type parameters are usedfor generating the K first-type complex numbers in the presentdisclosure.

In one embodiment, the K second-type complex numbers are generated bybits in the first bit block sequentially subjected to at least the firstof modulation, layer mapping, precoding or transform precoding. In onesubembodiment, the modulation is π/2-BPSK; in one subembodiment, themodulation is π/4-QPSK; in one subembodiment, the precoding isAlamouti-based transmit diversity; in one subembodiment, the precodingis Single Carrier Space Frequency Block Code (SC-SFBC); in onesubembodiment, the precoding is Single Carrier Space Time Block Code(SC-STBC); in one subembodiment, the transform precoding is pursuant tothe definition of transform precoding in 3GPP TS38.211, section 6.3.1.4,or 3GPP TS 36.211, section 5.3.3; in one subembodiment, the transformprecoding is realized based on DFT.

In one embodiment, bits in the first bit block are modulated based onπ/2-BPSK modulation to obtain the K second-type complex numbers.

In one embodiment, the K second-type complex numbers are obtained bybits in the first bit block sequentially through π/2-BPSK modulation andlayer mapping.

In one embodiment, the K second-type complex numbers are obtained bybits in the first bit block sequentially through π/2-BPSK modulation,layer mapping and precoding. In one subembodiment, the precoding isAlamouti-based transmit diversity; in one subembodiment, the precodingis Single Carrier Space Frequency Block Code (SC-SFBC); in onesubembodiment, the precoding is Single Carrier Space Time Block Code(SC-STBC).

In one embodiment, the K second-type complex numbers are obtained bybits in the first bit block sequentially through π/2-BPSK modulation andtransform precoding. The transform precoding is pursuant to thedefinition of transform precoding in 3GPP TS38.211, section 6.3.1.4, or3GPP TS 36.211, section 5.3.3.

In one embodiment, the K second-type complex numbers are obtained bybits in the first bit block sequentially through π/2-BPSK modulation,layer mapping and transform precoding. The transform precoding ispursuant to the definition of transform precoding in 3GPP TS38.211,section 6.3.1.4, or 3GPP TS 36.211, section 5.3.3.

In one embodiment, the K second-type complex numbers are obtained bybits in the first bit block sequentially through π/2-BPSK modulation,layer mapping, precoding and transform precoding. The transformprecoding is pursuant to the definition of transform precoding in 3GPPTS38.211, section 6.3.1.4, or 3GPP TS 36.211, section 5.3.3. In onesubembodiment, the precoding is Alamouti-based transmit diversity; inone subembodiment, the precoding is SC-SFBC; in one subembodiment, theprecoding is SC-STBC.

In one embodiment, the K second-type complex numbers are obtained bybits in the first bit block through π/4-QPSK modulation.

In one embodiment, the K second-type complex numbers are obtained bybits in the first bit block sequentially through π/4-QPSK modulation andlayer mapping.

In one embodiment, the K second-type complex numbers are obtained bybits in the first bit block sequentially through π/4-QPSK modulation,layer mapping and precoding. In one subembodiment, the precoding isAlamouti-based transmit diversity; in one subembodiment, the precodingis SC-SFBC; in one subembodiment, the precoding is SC-STBC.

In one embodiment, the K second-type complex numbers are obtained bybits in the first bit block sequentially through π/4-QPSK modulation andtransform precoding. The transform precoding is pursuant to thedefinition of transform precoding in 3GPP TS38.211, section 6.3.1.4, or3GPP TS 36.211, section 5.3.3.

In one embodiment, the K second-type complex numbers are obtained bybits in the first bit block sequentially through π/4-QPSK modulation,layer mapping and transform precoding. The transform precoding ispursuant to the definition of transform precoding in 3GPP TS38.211,section 6.3.1.4, or 3GPP TS 36.211, section 5.3.3.

In one embodiment, the K second-type complex numbers are obtained bybits in the first bit block sequentially through π/4-QPSK modulation,layer mapping, precoding and transform precoding. The transformprecoding is pursuant to the definition of transform precoding in 3GPPTS38.211, section 6.3.1.4, or 3GPP TS 36.211, section 5.3.3. In onesubembodiment, the precoding is Alamouti-based transmit diversity; inone subembodiment, the precoding is SC-SFBC; in one subembodiment, theprecoding is SC-STBC.

In one embodiment, respective products of the K second-type complexnumbers and the K first-type parameters are used for generating the Kfirst-type complex numbers.

In one embodiment, respective products of the K second-type complexnumbers and the K first-type parameters apply transform precoding togenerate the K first-type complex numbers. In one subembodiment, thetransform precoding is realized based on DFT; in one subembodiment, thetransform precoding is pursuant to the definition of transform precodingin 3GPP TS38.211, section 6.3.1.4, or 3GPP TS 36.211, section 5.3.3.

In one embodiment, respective products of the K second-type complexnumbers and the K first-type parameters sequentially apply transformprecoding and precoding to generate the K first-type complex numbers. Inone subembodiment, the transform precoding is realized based on DFT; inone subembodiment, the transform precoding is pursuant to the definitionof transform precoding in 3GPP TS38.211, section 6.3.1.4, or 3GPP TS36.211, section 5.3.3.

In one embodiment, respective products of the K second-type complexnumbers and the K first-type parameters sequentially apply layermapping, transform precoding and precoding to generate the K first-typecomplex numbers. In one subembodiment, the transform precoding isrealized based on DFT; in one subembodiment, the transform precoding ispursuant to the definition of transform precoding in 3GPP TS38.211,section 6.3.1.4, or 3GPP TS 36.211, section 5.3.3.

In one embodiment, the K second-type complex numbers d (0), . . . , d(K−1) are obtained through the following formula:

${d(k)} = {\frac{e^{j\; k\;{\pi/2}}}{\sqrt{2}}\left\lbrack {\left( {1 - {2{b(k)}}} \right) + {j\left( {1 - {2{b(k)}}} \right)}} \right\rbrack}$

Herein, b(0), . . . , b(K−1) are bits in the first bit block.

In one embodiment, the K second-type complex numbers d (0), . . . , d(K−1) are obtained through the following formula:

${c(k)} = {\frac{e^{j\; k\;{\pi/2}}}{\sqrt{2}}\left\lbrack {\left( {1 - {2{b(k)}}} \right) + {j\left( {1 - {2{b(k)}}} \right)}} \right\rbrack}$${d\left( {{l \cdot M_{sc}} + k} \right)} = {\frac{1}{\sqrt{M_{sc}}}{\sum\limits_{i = 0}^{M_{sc} - 1}{{c\left( {{l \cdot M_{sc}} + i} \right)}e^{{- j}\frac{2\pi\;{ik}}{M_{sc}}}}}}$k = 0, …  , M_(sc) − 1 l = 0 , …  , K/M_(sc) − 1

Herein, c(0), . . . , c(K−1) are output complex number symbols frommodulation of the bits in the first bit block; M_(sc) represents anumber of subcarriers occupied by the first radio signal.

Embodiment 11

Embodiment 11 illustrates a schematic diagram of a first code blockaccording to one embodiment of the present disclosure, as shown in FIG.11. In FIG. 11, the horizontal axis represents a direction in which bitsof the first bit block are arranged; each small box represents a bit; aslash-filled box represents a bit in a first code block, while a blankbox represents a bit of the first bit block other than the first codeblock.

In Embodiment 11, the first bit block in the present disclosurecomprises M code blocks, M being an integer greater than 1; a first codeblock is one of the M code blocks, and there are two consecutive bits inthe first code block that are discrete in the first bit block.

In one embodiment, any of the M code blocks (CBs) is obtained aftersegmentation of a transport block (TB).

In one embodiment, any of the M CBs comprises a positive integer numberof bits.

In one embodiment, any two of the M CBs comprise equal numbers of bits.

In one embodiment, there are two of the M CBs that comprise unequalnumbers of bits.

In one embodiment, there is one CB out of the M CBs that comprise adifferent number of bits from any other CBs.

In one embodiment, the first radio signal is transmitted via frequencyhopping, and bits in the first CB are used for generating signals of thefirst radio signal in two or more frequency hopping frequency domainresources.

In one embodiment, the first radio signal is transmitted via frequencyhopping, and bits in the first CB are used for generating first-typecomplex numbers out of the K first-type complex numbers which are mappedonto two different multicarrier symbols and different REs.

Embodiment 12

Embodiment 12 illustrates a structure block diagram of a processingdevice in a UE, as shown in FIG. 12. In FIG. 12, a UE processing device1200 comprises a first receiver 1201 and a first transmitter. The firstreceiver 1201 comprises the transmitter/receiver 456 (including theantenna 460), the receiving processor 452 and the controller/processor490 in FIG. 4 of the present disclosure; the first transmitter 1202comprises the transmitter/receiver 456 (including the antenna 460), thetransmitting processor 455 and the controller/processor 490 in FIG. 4 ofthe present disclosure.

In Embodiment 12, the first receiver 1201 receives a first signaling;the first transmitter 1202 transmits a first radio signal; herein, thefirst signaling is used for determining K Resource Elements (REs), Kfirst-type complex numbers are respectively mapped onto the K REs, the Kfirst-type complex numbers are used for generating the first radiosignal, K first-type parameters respectively correspond to the Kfirst-type complex numbers, the K first-type parameters are respectivelycomplex numbers each of which is of modulus equal to 1, the K first-typeparameters are related to a frequency-domain position of the K REs, eachof the K first-type parameters is related to a length of a cyclic prefixof an RE onto which a corresponding first-type complex number is mapped;the first radio signal carries a first bit block, the K first-typeparameters and the first bit block are used for generating the Kfirst-type complex numbers, the K first-type parameters are unrelated tobits in the first bit block, the K REs are distributed on more than onesubcarrier in frequency domain, and the K REs are distributed on morethan one multicarrier symbol in time domain.

In one embodiment, the K REs are distributed on X multicarrier symbolsin time domain, the X is a positive integer greater than 1, a targetmulticarrier symbol is one of the X multicarrier symbols other than anearliest multicarrier symbol in time domain, REs occupying the targetmulticarrier symbol out of the K REs are comprised by a target RE group,any two of first-type parameters corresponding to first-type complexnumbers mapped onto REs comprised by the target RE group are equal.

In one embodiment, among the K REs there are a first RE and a second RE,the first RE and the second RE occupy a same subcarrier in frequencydomain, and the first RE and the second RE respectively occupy twoconsecutive multicarrier symbols in time domain; a first-type parametercorresponding to a first-type complex number mapped onto the second REis equal to a product of Q and a first-type parameter corresponding to afirst-type complex number mapped onto the first RE, the Q being acomplex number of modulus equal to 1; an angle of the Q in polarcoordinates is related to a length of a cyclic prefix of the second RE,and is also related to at least one of a frequency-domain position ofthe second RE or a frequency-domain position of REs out of the K REsthat occupy a same multicarrier symbol as the second RE.

In one embodiment, when the first RE occupies an earliest multicarriersymbol of multicarrier symbols occupied by the K REs in time domain, afirst-type parameter corresponding to a first-type complex number mappedonto the first RE is equal to P, the P is a pre-defined complex number,or the P is a configurable complex number.

In one embodiment, there is a third RE besides the K REs, and there is afourth RE among the K REs; the third RE and the fourth RE occupy a samesubcarrier in frequency domain, and the third RE and the fourth RErespectively occupy two consecutive multicarrier symbols in time domain;a first-type parameter corresponding to a first-type complex numbermapped onto the fourth RE is equal to a product of a virtual parameterand G, or a first-type parameter corresponding to a first-type complexnumber mapped onto the fourth RE is equal to H; the virtual parameter isrelated to a length of a cyclic prefix of the third RE, the G is acomplex number of modulus equal to 1, an angle of the Gin polarcoordinates is related to a length of a cyclic prefix of the fourth RE,the H is a pre-defined complex number, or the H is a configurablecomplex number.

In one embodiment, the first bit block is used for generating Ksecond-type complex numbers, respective products of the K second-typecomplex numbers and the K first-type parameters are used for generatingthe K first-type complex numbers.

In one embodiment, the first bit block comprises M code blocks (CBs), Mbeing an integer greater than 1; a first CB is one of the M CBs, thereare two consecutive bits in the first CB that are discrete in the firstbit block.

In one embodiment, the first receiver 1201 also receives a secondsignaling; the second signaling is used for determining a length of a CPof each of the K REs.

Embodiment 13

Embodiment 13 illustrates a structure block diagram of a processingdevice in a base station, as shown in FIG. 13. In FIG. 13, a basestation processing device 1300 comprises a second transmitter 1301 and asecond receiver 1302. The second transmitter 1301 comprises thetransmitter/receiver 416 (including the antenna 420), the transmittingprocessor 415 and the controller/processor 440 in FIG. 4 of the presentdisclosure; the second receiver 1302 comprises the transmitter/receiver416 (including the antenna 420), the receiving processor 412 and thecontroller/processor 440.

In Embodiment 13, the second transmitter 1301 transmits a firstsignaling; the second receiver 1302 receives a first radio signal;herein, the first signaling is used for determining K REs, K first-typecomplex numbers are respectively mapped onto the K REs, the K first-typecomplex numbers are used for generating the first radio signal, Kfirst-type parameters respectively correspond to the K first-typecomplex numbers, the K first-type parameters are respectively complexnumbers each of which is of modulus equal to 1, the K first-typeparameters are related to a frequency-domain position of the K REs, eachof the K first-type parameters is related to a length of a cyclic prefixof an RE onto which a corresponding first-type complex number is mapped;the first radio signal carries a first bit block, the K first-typeparameters and the first bit block are used for generating the Kfirst-type complex numbers, the K first-type parameters are unrelated tobits in the first bit block, the K REs are distributed on more than onesubcarrier in frequency domain, and the K REs are distributed on morethan one multicarrier symbol in time domain.

In one embodiment, the K REs are distributed on X multicarrier symbolsin time domain, the X is a positive integer greater than 1, a targetmulticarrier symbol is one of the X multicarrier symbols other than anearliest multicarrier symbol in time domain, REs occupying the targetmulticarrier symbol out of the K REs are comprised by a target RE group,any two of first-type parameters corresponding to first-type complexnumbers mapped onto REs comprised by the target RE group are equal.

In one embodiment, among the K REs there are a first RE and a second RE,the first RE and the second RE occupy a same subcarrier in frequencydomain, and the first RE and the second RE respectively occupy twoconsecutive multicarrier symbols in time domain; a first-type parametercorresponding to a first-type complex number mapped onto the second REis equal to a product of Q and a first-type parameter corresponding to afirst-type complex number mapped onto the first RE, the Q being acomplex number of modulus equal to 1; an angle of the Q in polarcoordinates is related to a length of a cyclic prefix of the second RE,and is also related to at least one of a frequency-domain position ofthe second RE or a frequency-domain position of REs out of the K REsthat occupy a same multicarrier symbol as the second RE.

In one embodiment, there is a third RE besides the K REs, and there is afourth RE among the K REs; the third RE and the fourth RE occupy a samesubcarrier in frequency domain, and the third RE and the fourth RErespectively occupy two consecutive multicarrier symbols in time domain;a first-type parameter corresponding to a first-type complex numbermapped onto the fourth RE is equal to a product of a virtual parameterand G, or a first-type parameter corresponding to a first-type complexnumber mapped onto the fourth RE is equal to H; the virtual parameter isrelated to a length of a cyclic prefix of the third RE, the G is acomplex number of modulus equal to 1, an angle of the G in polarcoordinates is related to a length of a cyclic prefix of the fourth RE,the H is a pre-defined complex number, or the H is a configurablecomplex number.

In one embodiment, the first bit block is used for generating Ksecond-type complex numbers, respective products of the K second-typecomplex numbers and the K first-type parameters are used for generatingthe K first-type complex numbers.

In one embodiment, the first bit block comprises M CBs, M being aninteger greater than 1; a first CB is one of the M CBs, there are twoconsecutive bits in the first CB that are discrete in the first bitblock.

In one embodiment, the second transmitter 1301 also transmits a secondsignaling; the second signaling is used for determining a length of a CPof each of the K REs.

The ordinary skill in the art may understand that all or part of stepsin the above method may be implemented by instructing related hardwarethrough a program. The program may be stored in a computer readablestorage medium, for example Read-Only-Memory (ROM), hard disk or compactdisc, etc. Optionally, all or part of steps in the above embodimentsalso may be implemented by one or more integrated circuits.Correspondingly, each module unit in the above embodiment may beimplemented in the form of hardware, or in the form of software functionmodules. The present disclosure is not limited to any combination ofhardware and software in specific forms. The UE or terminal in thepresent disclosure includes but is not limited to mobile phones, tabletcomputers, notebooks, network cards, low-consumption equipment, enhancedMTC (eMTC) equipment, NB-IOT equipment, vehicle-mounted communicationequipment, etc. The base station or network side device in the presentdisclosure includes but is not limited to macro-cellular base stations,micro-cellular base stations, home base stations, relay base station,eNB, gNB, Transmitter Receiver Point (TRP), and other radiocommunication equipment.

The above are merely the preferred embodiments of the present disclosureand are not intended to limit the scope of protection of the presentdisclosure. Any modification, equivalent substitute and improvement madewithin the spirit and principle of the present disclosure are intendedto be included within the scope of protection of the present disclosure.

What is claimed is:
 1. A method in a User Equipment (UE) for wireless communication, comprising: receiving a first signaling; and transmitting a first radio signal; wherein the first signaling is used for determining K Resource Elements (REs), K first-type complex numbers are respectively mapped onto the K REs, the K first-type complex numbers are used for generating the first radio signal, K first-type parameters respectively correspond to the K first-type complex numbers, the K first-type parameters are respectively complex numbers each of which is of modulus equal to 1, the K first-type parameters are related to a frequency-domain position of the K REs, each of the K first-type parameters is related to a length of a cyclic prefix of an RE onto which a corresponding first-type complex number is mapped; the first radio signal carries a first bit block, the K first-type parameters and the first bit block are used for generating the K first-type complex numbers, the K first-type parameters are unrelated to bits in the first bit block, the K REs are distributed on more than one subcarrier in frequency domain, and the K REs are distributed on more than one multicarrier symbol in time domain.
 2. The method according to claim 1, wherein the K REs are distributed on X multicarrier symbols in time domain, the X is a positive integer greater than 1, a target multicarrier symbol is one of the X multicarrier symbols other than an earliest multicarrier symbol in time domain, REs occupying the target multicarrier symbol out of the K REs are comprised by a target RE group, any two of first-type parameters corresponding to first-type complex numbers mapped onto REs comprised by REs comprised by the target RE group are equal.
 3. The method according to claim 1, wherein among the K REs there are a first RE and a second RE, the first RE and the second RE occupy a same subcarrier in frequency domain, and the first RE and the second RE respectively occupy two consecutive multicarrier symbols in time domain; a first-type parameter corresponding to a first-type complex number mapped onto the second RE is equal to a product of Q and a first-type parameter corresponding to a first-type complex number mapped onto the first RE, the Q being a complex number of modulus equal to 1; an angle of the Q in polar coordinates is related to a length of a cyclic prefix of the second RE, and is also related to at least one of a frequency-domain position of the second RE or a frequency-domain position of REs out of the K REs that occupy a same multicarrier symbol as the second RE.
 4. The method according to claim 3, wherein when the first RE occupies an earliest multicarrier symbol of multicarrier symbols occupied by the K REs in time domain, a first-type parameter corresponding to a first-type complex number mapped onto the first RE is equal to P, the P is a pre-defined complex number, or the P is a configurable complex number.
 5. The method according to claim 1, wherein the first bit block is used for generating K second-type complex numbers, respective products of the K second-type complex numbers and the K first-type parameters are used for generating the K first-type complex numbers.
 6. A method in a base station for wireless communication, comprising: transmitting a first signaling; and receiving a first radio signal; wherein the first signaling is used for determining K REs, K first-type complex numbers are respectively mapped onto the K REs, the K first-type complex numbers are used for generating the first radio signal, K first-type parameters respectively correspond to the K first-type complex numbers, the K first-type complex numbers are respectively complex numbers each of which is of modulus equal to 1, the K first-type parameters are related to a frequency-domain position of the K REs, each of the K first-type parameters is related to a length of a cyclic prefix of an RE onto which a corresponding first-type complex number is mapped; the first radio signal carries a first bit block, the K first-type parameters and the first bit block are used for generating the K first-type complex numbers, the K first-type parameters are unrelated to bits in the first bit block, the K REs are distributed on more than one subcarrier in frequency domain, and the K REs are distributed on more than one multicarrier symbol in time domain.
 7. The method according to claim 6, wherein the K REs are distributed on X multicarrier symbols in time domain, the X is a positive integer greater than 1, a target multicarrier symbol is one of the X multicarrier symbols other than an earliest multicarrier symbol in time domain, REs occupying the target multicarrier symbol out of the K REs are comprised by a target RE group, any two of first-type parameters corresponding to first-type complex numbers mapped onto REs comprised by REs comprised by the target RE group are equal.
 8. The method according to claim 6, wherein among the K REs there are a first RE and a second RE, the first RE and the second RE occupy a same subcarrier in frequency domain, and the first RE and the second RE respectively occupy two consecutive multicarrier symbols in time domain; a first-type parameter corresponding to a first-type complex number mapped onto the second RE is equal to a product of Q and a first-type parameter corresponding to a first-type complex number mapped onto the first RE, the Q being a complex number of modulus equal to 1; an angle of the Q in polar coordinates is related to a length of a cyclic prefix of the second RE, and is also related to at least one of a frequency-domain position of the second RE or a frequency-domain position of REs out of the K REs that occupy a same multicarrier symbol as the second RE.
 9. The method according to claim 8, wherein when the first RE occupies an earliest multicarrier symbol of multicarrier symbols occupied by the K REs in time domain, a first-type parameter corresponding to a first-type complex number mapped onto the first RE is equal to P, the P is a pre-defined complex number, or the P is a configurable complex number.
 10. The method according to claim 6, wherein the first bit block is used for generating K second-type complex numbers, respective products of the K second-type complex numbers and the K first-type parameters are used for generating the K first-type complex numbers.
 11. A UE for wireless communications, comprising: a first receiver, receiving a first signaling; and a first transmitter, transmitting a first radio signal; wherein the first signaling is used for determining K Resource Elements (REs), K first-type complex numbers are respectively mapped onto the K REs, the K first-type complex numbers are used for generating the first radio signal, K first-type parameters respectively correspond to the K first-type complex numbers, the K first-type parameters are respectively complex numbers each of which is of modulus equal to 1, the K first-type parameters are related to a frequency-domain position of the K REs, each of the K first-type parameters is related to a length of a cyclic prefix of an RE onto which a corresponding first-type complex number is mapped; the first radio signal carries a first bit block, the K first-type parameters and the first bit block are used for generating the K first-type complex numbers, the K first-type parameters are unrelated to bits in the first bit block, the K REs are distributed on more than one subcarrier in frequency domain, and the K REs are distributed on more than one multicarrier symbol in time domain.
 12. The UE according to claim 11, wherein the K REs are distributed on the X multicarrier symbols, the X is a positive integer greater than 1, a target multicarrier symbol is one of the X multicarrier symbols other than an earliest multicarrier symbol in time domain, REs occupying the target multicarrier symbol out of the K REs are comprised by a target RE group, any two of first-type parameters corresponding to first-type complex numbers mapped onto REs comprised by REs comprised by the target RE group are equal.
 13. The UE according to claim 11, wherein among the K REs there are a first RE and a second RE, the first RE and the second RE occupy a same subcarrier in frequency domain, and the first RE and the second RE respectively occupy two consecutive multicarrier symbols in time domain; a first-type parameter corresponding to a first-type complex number mapped onto the second RE is equal to a product of Q and a first-type parameter corresponding to a first-type complex number mapped onto the first RE, the Q being a complex number of modulus equal to 1; an angle of the Q in polar coordinates is related to a length of a cyclic prefix of the second RE, and is also related to at least one of a frequency-domain position of the second RE or a frequency-domain position of REs out of the K REs that occupy a same multicarrier symbol as the second RE.
 14. The UE according to claim 13, wherein when the first RE occupies an earliest multicarrier symbol of multicarrier symbols occupied by the K REs in time domain, a first-type parameter corresponding to a first-type complex number mapped onto the first RE is equal to P, the P is a pre-defined complex number, or the P is a configurable complex number.
 15. The UE according to claim 11, wherein the first bit block is used for generating K second-type complex numbers, respective products of the K second-type complex numbers and the K first-type parameters are used for generating the K first-type complex numbers.
 16. A base station for wireless communications, comprising: a second transmitter, transmitting a first signaling; and a second receiver, receiving a first radio signal; wherein the first signaling is used for determining K Resource Elements (REs), K first-type complex numbers are respectively mapped onto the K REs, the K first-type complex numbers are used for generating the first radio signal, K first-type parameters respectively correspond to the K first-type complex numbers, the K first-type parameters are respectively complex numbers of which each is of modulus equal to 1, the K first-type parameters are related to a frequency-domain position of the K REs, each of the K first-type parameters is related to a length of a cyclic prefix of an RE onto which a corresponding first-type complex number is mapped; the first radio signal carries a first bit block, the K first-type parameters and the first bit block are used for generating the K first-type complex numbers, the K first-type parameters are unrelated to bits in the first bit block, the K REs are distributed on more than one subcarrier in frequency domain, and the K REs are distributed on more than one multicarrier symbol in time domain.
 17. The base station according to claim 16, wherein the K REs are distributed on X multicarrier symbols in time domain, the X is a positive integer greater than 1, a target multicarrier symbol is one of the X multicarrier symbols other than an earliest multicarrier symbol in time domain, REs occupying the target multicarrier symbol out of the K REs are comprised by a target RE group, any two of REs comprised by the target RE group are equal.
 18. The base station according to claim 16, wherein among the K REs there are a first RE and a second RE, the first RE and the second RE occupy a same subcarrier in frequency domain, and the first RE and the second RE respectively occupy two consecutive multicarrier symbols in time domain; a first-type parameter corresponding to a first-type complex number mapped onto the second RE is equal to a product of Q and a first-type parameter corresponding to a first-type complex number mapped onto the first RE, the Q being a complex number of modulus equal to 1; an angle of the Q in polar coordinates is related to a length of a cyclic prefix of the second RE, and is also related to at least one of a frequency-domain position of the second RE in or a frequency-domain position of REs out of the K REs that occupy a same multicarrier symbol as the second RE.
 19. The base station according to claim 18, wherein the first RE occupies an earliest multicarrier symbol of multicarrier symbols occupied by the K REs in time domain, a first-type parameter corresponding to a first-type complex number mapped onto the first RE is equal to P, the P is a pre-defined complex number, or the P is a configurable complex number.
 20. The base station according to claim 16, wherein the first bit block is used for generating K second-type complex numbers, respective products of the K second-type complex numbers and the K first-type parameters are used for generating the K first-type complex numbers. 